The window-mounted air conditioner (AC) supplies 15 m/min of air at 15°C, 1 bar to a room. Air returns from the room to the evaporator of the unit at 25°C. The air conditioner operates at steady state on a vapor-compression refrigeration cycle with Refrigerant 134a entering the compressor at 400 kPa, 10°C. Saturated liquid refrigerant at 900 kPa leaves the condenser. The compressor has an isentropic efficiency of 70%, and refrigerant exits the compressor at 9 bar. Determine the following. Assume air flow is at 100 kPa. Enthalpy of R134a at the compressor inlet (kJ/kg)? O A. 167.25 O B. 201.55 O C. 135.27 O D. 256.59 O E. 122.52

The window-mounted air conditioner (AC) supplies 15 m/min of air at 15°C, 1 bar to a room. Air returns from the room to the evaporator of the unit at 25°C. The air conditioner operates at steady state on a vapor-compression refrigeration cycle with Refrigerant 134a entering the compressor at 400 kPa, 10°C. Saturated liquid refrigerant at 900 kPa leaves the condenser. The compressor has an isentropic efficiency of 70%, and refrigerant exits the compressor at 9 bar. Determine the following. Assume air flow is at 100 kPa. Enthalpy of R134a at the compressor inlet (kJ/kg)? O A. 167.25 O B. 201.55 O C. 135.27 O D. 256.59 O E. 122.52

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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